CN202703629U - Static contact - Google Patents
Static contact Download PDFInfo
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- CN202703629U CN202703629U CN 201220376141 CN201220376141U CN202703629U CN 202703629 U CN202703629 U CN 202703629U CN 201220376141 CN201220376141 CN 201220376141 CN 201220376141 U CN201220376141 U CN 201220376141U CN 202703629 U CN202703629 U CN 202703629U
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- spring terminal
- shaped current
- current sheet
- pulling
- contact strip
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Abstract
The utility model provides a static contact which comprises a spring terminal base, a U-shaped current sheet, a left contact sheet, a left reinforcing sheet, a right contact sheet, a right reinforcing sheet, a first left pull-back spring terminal, a first right pull-back spring terminal, a second left pull-back spring terminal and a second right pull-back spring terminal, wherein the first left pull-back spring terminal and the first right pull-back spring terminal are sleeved at a left longitudinal part and a right longitudinal part of a first U-shaped current sheet; the second left pull-back spring terminal and the second right pull-back spring terminal are sleeved at a left longitudinal part and a right longitudinal part of a second U-shaped current sheet; the top end of the left longitudinal part of the U-shaped current sheet is bent inward and extends upward to form a left free wafer; the top end of the right longitudinal part of the U-shaped current sheet is bent inward and extends upward to form a right free wafer opposite to the left free wafer; and the U-shaped current sheet comprises the first U-shaped current sheet and the second U-shaped current sheet. The static contact has good vibration resistance and is convenient to plug in and pull out; different numbers of contacts with different purposes can be provided to form contact groups; and the static contact is easy to assemble and is convenient to use.
Description
Technical field
The utility model relates to the break for the break group of various switch machine and secret adhering sheet checking device switch circuit controller (quiet plug group).
Background technology
Whether the track switch at the concentrated station of Railway Electric is to change its position with switch machine, put in place with secret adhering sheet checking device inspection conversion.And the break group in these conversion equipments is to form with several contact strips.
The break seat of prior art is an integral body, and the break group of varying number contact group is with the break seat that varies in size.The wiring of contact group adopts nut, packing ring to compress the structure of lead-in wire.Since next fastening with screw thread, be subjected to the impact of train vibration, when screw connection structure became flexible, the fault of lead-in wire bad contact easily occured, therefore in the maintenance of switch machine, need the fastening situation of periodic inspection nut or screw.Other this lead-in wire mode generally adopts the general wire loop of line ball or the wire loop that becomes with this wire-wound, and general wire loop in use has the fault of fracture, and the wire loop that this wire-wound becomes coiling is more man-hour by hand, be not suitable for plant produced.
The utility model content
The purpose of this utility model is the easy generation lead-in wire bad contact that solves present contact group existence, the problem that reaches wire breaking or inefficiency.
For reaching above-mentioned purpose, the utility model provides a kind of break, comprise left reinforcing chip, the right contact strip of spring terminal stroma, U-shaped current sheet, left contact strip, the steadiness that strengthens this left contact strip and crush resistance and strengthen the steadiness of this right contact strip and the right reinforcing chip of crush resistance, its special character is that described spring terminal stroma comprises from left and right, middle part left seat bar connected to one another, middle seat bar and right seat bar; The top of the left longitudinal part of described U-shaped current sheet bends inwards and extends upward and forms a left free contact, and the top of the right longitudinal part of this U-shaped current sheet bends inwards and extends upward and forms a right free contact relative with described left free contact; Described U-shaped current sheet comprises the first U-shaped current sheet and the second U-shaped current sheet; Described break also comprises the first left pulling-back type spring terminal, the first right pulling-back type spring terminal on the left longitudinal part that is set in described the first U-shaped current sheet, the right longitudinal part, is set in the second left pulling-back type spring terminal, the second right pulling-back type spring terminal on the left longitudinal part of described the second U-shaped current sheet, the right longitudinal part; The first left pulling-back type spring terminal, the first right pulling-back type spring terminal, the second left pulling-back type spring terminal are identical with the structure of the second right pulling-back type spring terminal, by vertical section, a tilting section, be arranged on this vertically a horizontal segment at section and tilting section top consist of, this vertical section lower end be connected a tilting section lower end and connect by a lower outer arc segments that outwards arches upward, this tilting section upper end and be connected a horizontal segment the inner and connect by a upper outer arc segments that outwards arches upward, and this tilting section extends obliquely and gradually away from this one vertically section; Being provided with one on this horizontal segment is enough to perforation that described left free contact, right free contact are therefrom passed, and this perforation can be satisfied space required when described left free contact, right free contact are subject to external force and move inward; The described first left pulling-back type spring terminal, the first right pulling-back type spring terminal are set on the left longitudinal part of described the first U-shaped current sheet, the right longitudinal part by described perforation respectively, and this first left pulling-back type spring terminal, the first right pulling-back type spring terminal vertical section is respectively near the left longitudinal part of described the first U-shaped current sheet, the medial surface of right longitudinal part; The lower outer arc segments of this first left pulling-back type spring terminal, the first right pulling-back type spring terminal is close to respectively the bottom interior surface of described the first U-shaped current sheet; The tilting section of this first left pulling-back type spring terminal is relative with the tilting section of the first right pulling-back type spring terminal; Described the first U-shaped current sheet is set on the described spring terminal stroma by this first left pulling-back type spring terminal, the first right pulling-back type spring terminal, specifically the described first left pulling-back type spring terminal, the first right pulling-back type spring terminal are set in respectively the left seat bar of described spring terminal stroma and the left end of right seat bar, and the left end of the middle seat bar of this spring terminal stroma then penetrates the space that the bottom by the tilting section of the tilting section of the described first left pulling-back type spring terminal, the first right pulling-back type spring terminal and this first U-shaped current sheet forms; The described second left pulling-back type spring terminal, the second right pulling-back type spring terminal are set on described the second U-shaped current sheet in the mode that the described first left pulling-back type spring terminal, the first right pulling-back type spring terminal are set on described the first U-shaped current sheet, and this second U-shaped current sheet is set in the right-hand member that mode on the described spring terminal stroma is set in this spring terminal stroma with described the first U-shaped current sheet; Described left contact strip, right contact strip are separately positioned on the outside of described the first U-shaped current sheet, the second U-shaped current sheet, and the inner of this left contact strip, right contact strip respectively with the outer side contacts of described the first U-shaped current sheet, the second U-shaped current sheet; Described left reinforcing chip, right reinforcing chip are separately positioned on the outside of described left contact strip, right contact strip, and this left reinforcing chip, right reinforcing chip contact with the outside face of described left contact strip, right contact strip.
The respectively crimping of inner end of above-mentioned left contact strip, right contact strip, rivet or be welded on the lateral surface of described the first U-shaped current sheet, the second U-shaped current sheet, described left reinforcing chip, the respectively crimping of right reinforcing chip, rivet or be welded on the outer surface of described left contact strip, right contact strip.
The outside of above-mentioned the first U-shaped current sheet, the second U-shaped current sheet respectively is provided with left clip shutter, right clip shutter, and the lower end of this left clip shutter, right clip shutter is connected with the bottom outside of this first U-shaped current sheet, the second U-shaped current sheet respectively; Distance between the outside of the inboard of this left clip shutter, right clip shutter and described the first U-shaped current sheet, the second U-shaped current sheet is equal to or less than the thickness of described left contact strip, right contact strip, under the elastic reaction of this left clip shutter, right clip shutter the inner end of described left contact strip, right contact strip is being pressed on the lateral surface of described the first U-shaped current sheet, the second U-shaped current sheet guaranteeing.
The two ends of above-mentioned left seat bar, middle seat bar and right seat bar is provided with the pin that extends vertically; The inner end of described left contact strip, right contact strip is provided with pin-and-hole corresponding to this pin place, thereby so that described left contact strip, right contact strip be set on this pin.
The bottom that the inner end of above-mentioned left contact strip, right contact strip is positioned at described pin-and-hole below is provided with left bayonet socket, a right bayonet socket that coincide with the bottom of described left clip shutter, right clip shutter.
The inner end of above-mentioned left reinforcing chip, right reinforcing chip is provided with left circular hole, the right circular hole of bottom leaving certain gaps uncovered by the economic plan corresponding to described pin place, be left gap, the right gap that coincide with described left clip shutter, right clip shutter from this breach down to the bottom of described left reinforcing chip, right reinforcing chip, the degree of depth of this left gap, right gap equals the height of described left clip shutter, right clip shutter; The inner end of left reinforcing chip, right reinforcing chip is located on described left clip shutter, right clip shutter and the pin by this left gap, right gap, left circular hole, right circle hole sleeve.
Be provided with a plurality of horizontal draw-in grooves on the outside face of above-mentioned the first U-shaped current sheet, the left longitudinal part of the second U-shaped current sheet, right longitudinal part, these a plurality of horizontal draw-in grooves are used for the lead-in wire on fastening the inner penetrated, is pressed on by described horizontal segment this left longitudinal part, right longitudinal part from described perforation the outside face, and these a plurality of horizontal draw-in grooves are positioned at the below of described left free contact, right free contact.
Above-mentioned break also comprises be used to the contact seat that described break is installed, this contact seat comprises base and cover plate, be provided with a chamber on this base, the appearance profile of the surface configuration in this chamber, size and described break is adaptive so that in the fastening present chamber of this break, described left seat bar, middle seat bar and the seat bar of being connected connect by insulcrete, the front-end and back-end in described seat chamber respectively are provided with a front apron and back shield corresponding to this insulcrete place, reach the purpose of described the first U-shaped current sheet of isolation and the second U-shaped current sheet by described insulcrete, front baffle board and back shield; The front end both sides in this chamber are provided with left opening, right opening, put outside this base so that the leading section of described left contact strip, right contact strip, left reinforcing chip, right reinforcing chip reveals; Described cover plate is connected with described base by screw, be provided with on this cover plate fairlead that the described lead-in wire of confession that is positioned at described perforation top passes, and this fairlead of next-door neighbour and described left free contact, right free contact over against the instrument square hole.
The inner end of above-mentioned front apron and back shield respectively is provided with front bayonet slot and a rear draw-in groove in order to the forward and backward end that fixes described insulcrete, is provided with to fix the cover plate draw-in groove at the top of this insulcrete on the inside face of described cover plate.
Above-mentioned seat chamber is a plurality of, with these a plurality of chambeies one to one break also be a plurality of.
The utility model has the advantages that: the contact of the varying number of different purposes can be provided, and anti-vibration performance is good; And it is the pulling-back type spring terminal that lead terminal wherein adopts general in the world spring terminal, directly distribution is inserted during distribution, and plug is convenient, can provide the contact of the varying number of different purposes to form the contact group, and assembling easily, and is easy to use.
Below with reference to accompanying drawing the utility model is described in further details.
Description of drawings
Fig. 1 is the break structural representation.
Fig. 2 is the structural representation of spring terminal stroma.
Fig. 3 is U-shaped current sheet structural representation.
Fig. 4 is the package assembly scheme drawing of left reinforcing chip, left current sheet, the first left spring terminal, the first right spring terminal and the first current sheet.
The structural representation of Fig. 5 the first left spring terminal.
The package assembly scheme drawing of Fig. 6 the first left spring terminal, the first right spring terminal and the first current sheet.
Fig. 7 is the structural representation of left current sheet.
Fig. 8 is the structural representation of left reinforcing chip.
Fig. 9 is the structural representation of base.
Figure 10 is the structural representation of cover plate.
Figure 11 is the structural representation that contains the break seat of three breaks.
Among the figure: 1, spring terminal stroma; 2, the first U-shaped current sheet; 2A, the second U-shaped current sheet; 3, left contact strip; 4, left reinforcing chip; 5, right contact strip; 6, right reinforcing chip; 7, left seat bar; 8, middle seat bar; 9, right seat bar; 10, left longitudinal part; 11, left free contact; 11A, right free contact; 12, right longitudinal part; 13, the first left pulling-back type spring terminal; 14, the first right pulling-back type spring terminal; 15,22, vertical section; 16,24, tilting section; 17, horizontal segment; 18,23, lower outer arc; 19, upper outer arc segments; 20, perforation; 21, bottom; 25, left clip shutter; 26,27,28, pin; 29,30,31, pin-and-hole; 32, left bayonet socket; 33, breach; 34, circular hole; 35, left gap; 36, horizontal draw-in groove; 37, seat chamber; 38, front apron; 39, back shield; 40, left opening; 41, right opening; 42, screw; 43, fairlead; 44, instrument square hole; 45, insulcrete; 46, front bayonet slot; 47, rear draw-in groove; 48, cover plate draw-in groove.
The specific embodiment
Adopt nut, packing ring for the wiring that solves contact group in the prior art and compress the structure of lead-in wire, be subjected to the impact of train vibration, when screw connection structure becomes flexible, the fault of lead-in wire bad contact occuring easily, therefore needs the fastening situation of periodic inspection nut or screw in the maintenance of switch machine.Other this lead-in wire mode, the general general wire loop of line ball or the wire loop that becomes with this wire-wound of adopting, general wire loop in use has the fault of fracture, and the wire loop that this wire-wound becomes coiling is more man-hour by hand, be not suitable for the problem of plant produced, present embodiment provides a kind of easy generation lead-in wire bad contact that present contact group exists, and problem of wire breaking or inefficiency of solving.
For reaching above-mentioned purpose, the utility model provides a kind of break shown in Figure 1, comprise left reinforcing chip 4, the right contact strip 5 of spring terminal stroma 1, U-shaped current sheet (comprising the first U-shaped current sheet 2 and the second U-shaped current sheet 2A), left contact strip 3, the steadiness that strengthens this left contact strip 3 and crush resistance and strengthen the steadiness of this right contact strip 5 and the right reinforcing chip 6 of crush resistance, its special character is, as shown in Figure 2, spring terminal stroma 1 comprises from left and right, middle part left seat bar 7 connected to one another, middle seat bar 8 and right seat bar 9.
As seen from Figure 3, the top of the left longitudinal part 10 of U-shaped current sheet 2 bends inwards and extends upward and forms a left free contact 11, and the top of the right longitudinal part 12 of this U-shaped current sheet bends inwards and extends upward and forms a right free contact 11A relative with left free contact 11.
And be not difficult to find out that by Fig. 1 the U-shaped current sheet in the break comprises the first U-shaped current sheet 2 and the second U-shaped current sheet 2A;
Can also be seen by Fig. 4, the break that present embodiment provides also comprises left longitudinal part 10, the first left pulling-back type spring terminal 13 on the right longitudinal part 12, the first right pulling-back type spring terminal 14 that is set in the first U-shaped current sheet 2, equally, also be arranged with the second left pulling-back type spring terminal and the second right pulling-back type spring terminal on the left longitudinal part of the second U-shaped current sheet 2A, the right longitudinal part; The first left pulling-back type spring terminal 13, the first right pulling-back type spring terminal 14, the second left pulling-back type spring terminal is identical with the structure of the second right pulling-back type spring terminal, such as figure by a vertical section 15, one tilting section 16, a horizontal segment 17 that is arranged on this vertical section 15 and tilting section 16 tops consists of, this one vertically section 15 lower ends be connected a tilting section 16 lower ends by 18 sections connections of a lower outer arc that outwards arches upward, these tilting section 16 upper ends be connected a horizontal segment 17 the inners (being the right-hand member shown in Fig. 5) and connect by a upper outer arc segments that outwards arches upward 19, and this tilting section 16 extends obliquely and gradually away from this one vertically sections 15; Being provided with one on this horizontal segment 17 is enough to perforation 20 that left free contact 11, right free contact 11A are therefrom passed, and this perforation 20 can be satisfied as left free contact 11, right free contact 11A and is subject to external force required space when inwardly (in conjunction with Fig. 4) is mobile; The first left pulling-back type spring terminal 13, the first right pulling-back type spring terminal 14 be respectively by on the bore a hole 20 left longitudinal parts 10 that are set in the first U-shaped current sheet 2, the right longitudinal part 12, and this first left pulling-back type spring terminal 13, the first right pulling-back type spring terminal 14 vertical section 15,22 is respectively near the left longitudinal part 10 of the first U-shaped current sheet 2, the medial surface of right longitudinal part 12; The lower outer arc segments 18,23 of this first left pulling-back type spring terminal 13, the first right pulling-back type spring terminal 14 is close to respectively the inside face of the bottom 21 of the first U-shaped current sheet 2; The tilting section 16 of the first left pulling-back type spring terminal 13 is relative with the tilting section 24 of the first right pulling-back type spring terminal 14.
For this reason, the first U-shaped current sheet 2 is set on the spring terminal stroma 1 by this first left pulling-back type spring terminal 13, the first right pulling-back type spring terminal 14, specifically the first left pulling-back type spring terminal 13, the first right pulling-back type spring terminal 14 are set in respectively the left seat bar 7 of spring terminal stroma 1 and the left end (seeing Fig. 1) of right seat bar 9, and the left end of the middle seat bar 8 of this spring terminal stroma 1 then penetrates the space that the bottom 21 by the tilting section 22 of the tilting section 16 of the first left pulling-back type spring terminal 13, the first right pulling-back type spring terminal 14 and this first U-shaped current sheet 2 forms.
The second left pulling-back type spring terminal, the second right pulling-back type spring terminal are set on the second U-shaped current sheet 2A in the mode that the first left pulling-back type spring terminal 13, the first right pulling-back type spring terminal 14 are set on the first U-shaped current sheet 2, and this second U-shaped current sheet 2A is set in the right-hand member (seeing Fig. 1) that mode on the spring terminal stroma 1 is set in this spring terminal stroma 1 with the first U-shaped current sheet 2.
By Fig. 1 as seen, left contact strip 3, right contact strip 5 are separately positioned on the outside of the first U-shaped current sheet 2, the second U-shaped current sheet 2A, and the inner of this left contact strip 3, right contact strip 5 respectively with the outer side contacts of the first U-shaped current sheet 2, the second U-shaped current sheet 2A; And left reinforcing chip 4, right reinforcing chip 6 are separately positioned on the outside of left contact strip 3, right contact strip 5, and this left reinforcing chip 4, right reinforcing chip 6 contact with the outside face of left contact strip 3, right contact strip 5.
In actual applications, the respectively crimping of inner end of left contact strip 3, right contact strip 5, rivet or be welded on the lateral surface of the first U-shaped current sheet 2, the second U-shaped current sheet 2A, left reinforcing chip 4, respectively crimping of right reinforcing chip 6, rivet or be welded on the outer surface of left contact strip 3, right contact strip 5.
Be not difficult to find out by Fig. 2, the outside of the first U-shaped current sheet 2, the second U-shaped current sheet 2A respectively is provided with left clip shutter 25, right clip shutter, and the lower end of this left clip shutter 25, right clip shutter is connected with the bottom outside of this first U-shaped current sheet 2, the second U-shaped current sheet 2A respectively; Distance between the outside of the inboard of this left clip shutter 25, right clip shutter and the first U-shaped current sheet 2, the second U-shaped current sheet 2A is equal to or less than the thickness of left contact strip 3, right contact strip 5, under the elastic reaction of this left clip shutter 25, right clip shutter the inner end of left contact strip 3, right contact strip 5 is being pressed on the lateral surface of this first U-shaped current sheet 2, the second U-shaped current sheet 2A guaranteeing.
By Fig. 2 as seen, the two ends of left seat bar 7, middle seat bar 8 and right seat bar 9 is provided with the pin 26,27,28 that extends vertically; The inner end of left contact strip 3, right contact strip 5 is provided with pin-and- hole 29,30,31 (seeing Fig. 7) corresponding to this pin 26,27,28 places, thereby so that left contact strip 3, right contact strip 5 be set on this pin 26,27,28.Realized the spacing of left contact strip 3, right contact strip 5, so that install more fastening and convenient.
The bottom that the inner end of left contact strip 3, right contact strip 5 is positioned at pin-and- hole 26,27,28 belows is provided with left bayonet socket 32, a right bayonet socket that coincide with the bottom of left clip shutter 25, right clip shutter.
Referring to Fig. 8, the inner end of left reinforcing chip 4, right reinforcing chip 6 is provided with left circular hole 34, the right circular hole of bottom leaving certain gaps uncovered by the economic plan 33 corresponding to pin 26,27,28 places, be left gap 35, the right gap that coincide with left clip shutter 32, right clip shutter from this breach 33 down to the bottom of left reinforcing chip 4, right reinforcing chip 6, the degree of depth of this left gap 35, right gap equals the height of left clip shutter 25, right clip shutter; The inner end of left reinforcing chip 4, right reinforcing chip 6 is located on left clip shutter 25, right clip shutter and the pin 26,27,28 by this left gap 35, right gap, left circular hole 34, right circle hole sleeve.So, realized the spacing of left reinforcing chip 4, right reinforcing chip 6, so that install more fastening and convenient.
Be not difficult to find out by Fig. 3, be provided with a plurality of horizontal draw-in grooves 36 on the left longitudinal part 10 of the first U-shaped current sheet 2, the second U-shaped current sheet 2A, the outside face of right longitudinal part 12, these a plurality of horizontal draw-in grooves 36 are used for fastening the inner and 29 penetrate, are pressed on by horizontal segment 17 lead-in wire on the outside face of this left longitudinal part 10, right longitudinal part 12 (lead-in wire that cooperates with break that present embodiment provides need to be arranged during practical application) from boring a hole, and these a plurality of horizontal draw-in grooves 36 are positioned at the below of left free contact 11, right free contact 11A.
Referring to Fig. 9,10, the break that present embodiment provides also comprises for the contact seat that break is installed, this contact seat comprises base and cover plate, as seen from Figure 9, be provided with a chamber 37 on this base, the appearance profile of the surface configuration in this chamber 37, size and break is adaptive so that this break is fastened in the present chamber 37; As seen from Figure 2, left seat bar 7, middle seat bar 8 and the seat bar 9 of being connected connect by insulcrete 45, the front-end and back-end in seat chamber 37 respectively are provided with a front apron 38 and back shield 39 corresponding to these insulcrete 45 places, reach the purpose of isolation the first U-shaped current sheet 2 and the second U-shaped current sheet 20 by insulcrete 45, front baffle board 38 and back shield 39; The front end both sides in this chamber 37 are provided with left opening 40, right opening 41, put outside this base so that the leading section of described left contact strip 3, right contact strip 5, left reinforcing chip 4, right reinforcing chip 6 reveals; Cover plate is connected with base by screw, as seen be arranged on thus the screw 42 on the base among the figure, and on the cover plate as shown in figure 10, be provided with the fairlead 43 that passes for lead-in wire that is positioned at perforation 20 tops, and next-door neighbour's this fairlead 43 and left free contact 11, right free contact 11A over against instrument square hole 44.When inserting lead-in wire, instrument penetrates in instrument square hole 44, then insert between left free contact 11 or right free contact 13 and left longitudinal part 10 or the right longitudinal part 12, so that the horizontal segment of the first left pulling-back type spring terminal 13 or the first right pulling-back type spring terminal 14 is outwards mobile, at this moment, the lower end of lead-in wire penetrates in fairlead 43, then insert the gap between left free contact 11 or right free contact 11A and left longitudinal part 10 or the right longitudinal part 12, after being inserted into desired depth, take instrument away, the horizontal segment of the first left pulling-back type spring terminal 13 or the first right pulling-back type spring terminal 14 is not because automatically being moved inward by external force, and will go between only is clamped between left free contact 11 or right free contact 11A and the first left pulling-back type spring terminal 13 or the first right pulling-back type spring terminal 14.
As seen from Figure 9, the seat chamber 37 be a plurality of, with these a plurality of chambeies 37 one to one break also be a plurality of, just consisted of the break group, as shown in figure 11, for containing the break seat of three breaks.
More than exemplifying only is to casehistory of the present utility model, does not consist of the restriction to protection domain of the present utility model, and the every and same or analogous design of the utility model all belongs within the protection domain of the present utility model.
Claims (10)
1. a break comprises left reinforcing chip, the right contact strip of spring terminal stroma, U-shaped current sheet, left contact strip, the steadiness that strengthens this left contact strip and crush resistance and strengthens the steadiness of this right contact strip and the right reinforcing chip of crush resistance, it is characterized in that:
Described spring terminal stroma comprises from left and right, middle part left seat bar connected to one another, middle seat bar and right seat bar;
The top of the left longitudinal part of described U-shaped current sheet bends inwards and extends upward and forms a left free contact, and the top of the right longitudinal part of this U-shaped current sheet bends inwards and extends upward and forms a right free contact relative with described left free contact;
Described U-shaped current sheet comprises the first U-shaped current sheet and the second U-shaped current sheet;
Described break also comprises the first left pulling-back type spring terminal, the first right pulling-back type spring terminal on the left longitudinal part that is set in described the first U-shaped current sheet, the right longitudinal part, is set in the second left pulling-back type spring terminal, the second right pulling-back type spring terminal on the left longitudinal part of described the second U-shaped current sheet, the right longitudinal part;
The first left pulling-back type spring terminal, the first right pulling-back type spring terminal, the second left pulling-back type spring terminal are identical with the structure of the second right pulling-back type spring terminal, by vertical section, a tilting section, be arranged on this vertically a horizontal segment at section and tilting section top consist of, this vertical section lower end be connected a tilting section lower end and connect by a lower outer arc segments that outwards arches upward, this tilting section upper end and be connected a horizontal segment the inner and connect by a upper outer arc segments that outwards arches upward, and this tilting section extends obliquely and gradually away from this one vertically section; Being provided with one on this horizontal segment is enough to perforation that described left free contact, right free contact are therefrom passed, and this perforation can be satisfied space required when described left free contact, right free contact are subject to external force and move inward;
The described first left pulling-back type spring terminal, the first right pulling-back type spring terminal are set on the left longitudinal part of described the first U-shaped current sheet, the right longitudinal part by described perforation respectively, and this first left pulling-back type spring terminal, the first right pulling-back type spring terminal vertical section is respectively near the left longitudinal part of described the first U-shaped current sheet, the medial surface of right longitudinal part; The lower outer arc segments of this first left pulling-back type spring terminal, the first right pulling-back type spring terminal is close to respectively the bottom interior surface of described the first U-shaped current sheet; The tilting section of this first left pulling-back type spring terminal is relative with the tilting section of the first right pulling-back type spring terminal;
Described the first U-shaped current sheet is set on the described spring terminal stroma by this first left pulling-back type spring terminal, the first right pulling-back type spring terminal, specifically the described first left pulling-back type spring terminal, the first right pulling-back type spring terminal are set in respectively the left seat bar of described spring terminal stroma and the left end of right seat bar, and the left end of the middle seat bar of this spring terminal stroma then penetrates the space that the bottom by the tilting section of the tilting section of the described first left pulling-back type spring terminal, the first right pulling-back type spring terminal and this first U-shaped current sheet forms;
The described second left pulling-back type spring terminal, the second right pulling-back type spring terminal are set on described the second U-shaped current sheet in the mode that the described first left pulling-back type spring terminal, the first right pulling-back type spring terminal are set on described the first U-shaped current sheet, and this second U-shaped current sheet is set in the right-hand member that mode on the described spring terminal stroma is set in this spring terminal stroma with described the first U-shaped current sheet;
Described left contact strip, right contact strip are separately positioned on the outside of described the first U-shaped current sheet, the second U-shaped current sheet, and the inner of this left contact strip, right contact strip respectively with the outer side contacts of described the first U-shaped current sheet, the second U-shaped current sheet;
Described left reinforcing chip, right reinforcing chip are separately positioned on the outside of described left contact strip, right contact strip, and this left reinforcing chip, right reinforcing chip contact with the outside face of described left contact strip, right contact strip.
2. break as claimed in claim 1, it is characterized in that: the respectively crimping of inner end of described left contact strip, right contact strip, rivet or be welded on the lateral surface of described the first U-shaped current sheet, the second U-shaped current sheet, described left reinforcing chip, the respectively crimping of right reinforcing chip, rivet or be welded on the outer surface of described left contact strip, right contact strip.
3. break as claimed in claim 1, it is characterized in that: the outside of described the first U-shaped current sheet, the second U-shaped current sheet respectively is provided with left clip shutter, right clip shutter, and the lower end of this left clip shutter, right clip shutter is connected with the bottom outside of this first U-shaped current sheet, the second U-shaped current sheet respectively; Distance between the outside of the inboard of this left clip shutter, right clip shutter and described the first U-shaped current sheet, the second U-shaped current sheet is equal to or less than the thickness of described left contact strip, right contact strip, under the elastic reaction of this left clip shutter, right clip shutter the inner end of described left contact strip, right contact strip is being pressed on the lateral surface of described the first U-shaped current sheet, the second U-shaped current sheet guaranteeing.
4. break as claimed in claim 2 or claim 3, it is characterized in that: the two ends of described left seat bar, middle seat bar and right seat bar is provided with the pin that extends vertically; The inner end of described left contact strip, right contact strip is provided with pin-and-hole corresponding to this pin place, thereby so that described left contact strip, right contact strip be set on this pin.
5. break as claimed in claim 4 is characterized in that: the bottom that the inner end of described left contact strip, right contact strip is positioned at described pin-and-hole below is provided with left bayonet socket, a right bayonet socket that coincide with the bottom of described left clip shutter, right clip shutter.
6. break as claimed in claim 5, it is characterized in that: the inner end of described left reinforcing chip, right reinforcing chip is provided with left circular hole, the right circular hole of bottom leaving certain gaps uncovered by the economic plan corresponding to described pin place, be left gap, the right gap that coincide with described left clip shutter, right clip shutter from this breach down to the bottom of described left reinforcing chip, right reinforcing chip, the degree of depth of this left gap, right gap equals the height of described left clip shutter, right clip shutter; The inner end of left reinforcing chip, right reinforcing chip is located on described left clip shutter, right clip shutter and the pin by this left gap, right gap, left circular hole, right circle hole sleeve.
7. break as claimed in claim 6, it is characterized in that: be provided with a plurality of horizontal draw-in grooves on the outside face of described the first U-shaped current sheet, the left longitudinal part of the second U-shaped current sheet, right longitudinal part, these a plurality of horizontal draw-in grooves are used for the lead-in wire on fastening the inner penetrated, is pressed on by described horizontal segment this left longitudinal part, right longitudinal part from described perforation the outside face, and these a plurality of horizontal draw-in grooves are positioned at the below of described left free contact, right free contact.
8. break as claimed in claim 7, it is characterized in that: also comprise be used to the contact seat that described break is installed, this contact seat comprises base and cover plate, be provided with a chamber on this base, the surface configuration in this chamber, appearance profile big or small and described break is adaptive so that in the fastening present chamber of this break, described left seat bar, middle seat bar be connected a seat bar and connect by insulcrete, the front-end and back-end in described seat chamber respectively are provided with a front apron and back shield corresponding to this insulcrete place, by described insulcrete, front baffle board and back shield reach the purpose of described the first U-shaped current sheet of isolation and the second U-shaped current sheet; The front end both sides in this chamber are provided with left opening, right opening, put outside this base so that the leading section of described left contact strip, right contact strip, left reinforcing chip, right reinforcing chip reveals;
Described cover plate is connected with described base by screw, be provided with on this cover plate fairlead that the described lead-in wire of confession that is positioned at described perforation top passes, and this fairlead of next-door neighbour and described left free contact, right free contact over against the instrument square hole.
9. break as claimed in claim 8, it is characterized in that: the inner end of described front apron and back shield respectively is provided with front bayonet slot and a rear draw-in groove in order to the forward and backward end that fixes described insulcrete, is provided with to fix the cover plate draw-in groove at the top of this insulcrete on the inside face of described cover plate.
10. break as claimed in claim 9 is characterized in that: described seat chamber is a plurality of, with these a plurality of chambeies one to one break also be a plurality of.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201220376141 CN202703629U (en) | 2012-07-31 | 2012-07-31 | Static contact |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201220376141 CN202703629U (en) | 2012-07-31 | 2012-07-31 | Static contact |
Publications (1)
Publication Number | Publication Date |
---|---|
CN202703629U true CN202703629U (en) | 2013-01-30 |
Family
ID=47583958
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 201220376141 Withdrawn - After Issue CN202703629U (en) | 2012-07-31 | 2012-07-31 | Static contact |
Country Status (1)
Country | Link |
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CN (1) | CN202703629U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103569156A (en) * | 2012-07-31 | 2014-02-12 | 西安全路通号器材研究有限公司 | Static contact |
-
2012
- 2012-07-31 CN CN 201220376141 patent/CN202703629U/en not_active Withdrawn - After Issue
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103569156A (en) * | 2012-07-31 | 2014-02-12 | 西安全路通号器材研究有限公司 | Static contact |
CN103569156B (en) * | 2012-07-31 | 2015-12-02 | 西安全路通号器材研究有限公司 | A kind of break |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
AV01 | Patent right actively abandoned |
Granted publication date: 20130130 Effective date of abandoning: 20151202 |
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C25 | Abandonment of patent right or utility model to avoid double patenting |